SAMUELS, G.; GONZÁLEZ-VÉLEZ, F.; BONETA-GARCÍA, E. G.; SIERRA-BRACERO, A. Influence of Potash Fertilizers on Tobacco Yields and Quality on a Mabí Clay. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 46, n. 3, p. 183–188, 1962. DOI: 10.46429/jaupr.v46i3.12333. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12333. Acesso em: 30 nov. 2022.